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Post Offices in Plainsboro

Click on the Post Office from this list of 1 Post Offices in Plainsboro to view the opening hours, phone number, drop-off times, services and other information.

1. USPS Post Office Plainsboro (NJ)

12 Schalks Crossing Rd

Plainsboro, NJ 08536

The Post Office is open Monday to Friday from 10:00 am to 4:30 pm and on Saturday from 8:00 am to 1:30 pm. It is closed on Sunday.